MODULE pmc_mpi_wrapper !--------------------------------------------------------------------------------------------------! ! This file is part of the PALM model system. ! ! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General ! Public License as published by the Free Software Foundation, either version 3 of the License, or ! (at your option) any later version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General ! Public License for more details. ! ! You should have received a copy of the GNU General Public License along with PALM. If not, see ! . ! ! Copyright 1997-2021 Leibniz Universitaet Hannover !--------------------------------------------------------------------------------------------------! ! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: pmc_mpi_wrapper_mod.f90 4828 2021-01-05 11:21:41Z scharf $ ! File re-formatted to follow the PALM coding standard ! ! Current revisions: ! ------------------ ! ! ! 4629 2020-07-29 09:37:56Z raasch ! Support for MPI Fortran77 interface (mpif.h) removed ! ! 4360 2020-01-07 11:25:50Z suehring ! Corrected "Former revisions" section ! ! 3655 2019-01-07 16:51:22Z knoop ! Extent interface by logical buffer ! ! 1762 2016-02-25 12:31:13Z hellstea ! Initial revision by K. Ketelsen ! ! !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! ! MPI Wrapper of Palm Model Coupler !--------------------------------------------------------------------------------------------------! #if defined( __parallel ) USE, INTRINSIC :: ISO_C_BINDING USE MPI USE kinds USE pmc_handle_communicator, & ONLY: m_model_comm, & m_model_rank, & m_to_child_comm, & m_to_parent_comm IMPLICIT NONE PRIVATE SAVE INTERFACE pmc_send_to_parent MODULE PROCEDURE pmc_send_to_parent_integer MODULE PROCEDURE pmc_send_to_parent_integer_2 MODULE PROCEDURE pmc_send_to_parent_real_r1 MODULE PROCEDURE pmc_send_to_parent_real_r2 MODULE PROCEDURE pmc_send_to_parent_real_r3 END INTERFACE pmc_send_to_parent INTERFACE pmc_recv_from_parent MODULE PROCEDURE pmc_recv_from_parent_logical MODULE PROCEDURE pmc_recv_from_parent_integer MODULE PROCEDURE pmc_recv_from_parent_real_r1 MODULE PROCEDURE pmc_recv_from_parent_real_r2 MODULE PROCEDURE pmc_recv_from_parent_real_r3 END INTERFACE pmc_recv_from_parent INTERFACE pmc_send_to_child MODULE PROCEDURE pmc_send_to_child_logical MODULE PROCEDURE pmc_send_to_child_integer MODULE PROCEDURE pmc_send_to_child_real_r1 MODULE PROCEDURE pmc_send_to_child_real_r2 MODULE PROCEDURE pmc_send_to_child_real_r3 END INTERFACE pmc_send_to_child INTERFACE pmc_recv_from_child MODULE PROCEDURE pmc_recv_from_child_integer MODULE PROCEDURE pmc_recv_from_child_integer_2 MODULE PROCEDURE pmc_recv_from_child_real_r1 MODULE PROCEDURE pmc_recv_from_child_real_r2 MODULE PROCEDURE pmc_recv_from_child_real_r3 END INTERFACE pmc_recv_from_child INTERFACE pmc_bcast MODULE PROCEDURE pmc_bcast_integer MODULE PROCEDURE pmc_bcast_character END INTERFACE pmc_bcast INTERFACE pmc_inter_bcast MODULE PROCEDURE pmc_inter_bcast_integer_1 END INTERFACE pmc_inter_bcast INTERFACE pmc_alloc_mem MODULE PROCEDURE pmc_alloc_mem_integer_1 MODULE PROCEDURE pmc_alloc_mem_Real_1 END INTERFACE pmc_alloc_mem INTERFACE pmc_time MODULE PROCEDURE pmc_time END INTERFACE pmc_time PUBLIC pmc_alloc_mem, & pmc_bcast, & pmc_inter_bcast, & pmc_recv_from_child, & pmc_recv_from_parent, & pmc_send_to_child, & pmc_send_to_parent, & pmc_time CONTAINS !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_parent_logical( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< LOGICAL, INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_LOGICAL, parent_rank, tag, m_to_parent_comm, MPI_STATUS_IGNORE, & ierr ) END SUBROUTINE pmc_recv_from_parent_logical !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_child_logical( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< LOGICAL, INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_LOGICAL, child_rank, tag, m_to_child_comm(child_id), ierr ) END SUBROUTINE pmc_send_to_child_logical !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_parent_integer( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, DIMENSION(:), INTENT(IN) :: buf !< INTEGER, INTENT(OUT) :: ierr !< ierr = 0 CALL MPI_SEND( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, ierr ) END SUBROUTINE pmc_send_to_parent_integer !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_parent_integer( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< INTEGER, DIMENSION(:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, MPI_STATUS_IGNORE, & ierr ) END SUBROUTINE pmc_recv_from_parent_integer !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_parent_integer_2( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, DIMENSION(:,:), INTENT(IN) :: buf !< INTEGER, INTENT(OUT) :: ierr !< ierr = 0 CALL MPI_SEND( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, ierr ) END SUBROUTINE pmc_send_to_parent_integer_2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_parent_real_r1( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr ) END SUBROUTINE pmc_send_to_parent_real_r1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_parent_real_r1( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_parent_real_r1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_parent_real_r2( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr ) END SUBROUTINE pmc_send_to_parent_real_r2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_parent_real_r2( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_parent_real_r2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_parent_real_r3( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:,:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr ) END SUBROUTINE pmc_send_to_parent_real_r3 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_parent_real_r3( buf, n, parent_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: parent_rank !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:,:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_parent_real_r3 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_child_integer( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, DIMENSION(:), INTENT(IN) :: buf !< INTEGER, INTENT(OUT) :: ierr !< ierr = 0 CALL MPI_SEND( buf, n, MPI_INTEGER, child_rank, tag, m_to_child_comm(child_id), ierr ) END SUBROUTINE pmc_send_to_child_integer !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_child_integer( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< INTEGER, DIMENSION(:), INTENT(INOUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_INTEGER, child_rank, tag, m_to_child_comm(child_id), & MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_child_integer !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_child_integer_2( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< INTEGER, DIMENSION(:,:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_INTEGER, child_rank, tag, m_to_child_comm(child_id), & MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_child_integer_2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_child_real_r1( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), ierr ) END SUBROUTINE pmc_send_to_child_real_r1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_child_real_r1( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:), INTENT(INOUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), & MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_child_real_r1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_child_real_r2( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), ierr ) END SUBROUTINE pmc_send_to_child_real_r2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_child_real_r2( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), & MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_child_real_r2 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_send_to_child_real_r3( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:,:), INTENT(IN) :: buf !< ierr = 0 CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), ierr ) END SUBROUTINE pmc_send_to_child_real_r3 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_recv_from_child_real_r3( child_id, buf, n, child_rank, tag, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: child_id !< INTEGER, INTENT(IN) :: child_rank !< INTEGER, INTENT(IN) :: n !< INTEGER, INTENT(IN) :: tag !< INTEGER, INTENT(OUT) :: ierr !< REAL(wp), DIMENSION(:,:,:), INTENT(OUT) :: buf !< ierr = 0 CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, m_to_child_comm(child_id), & MPI_STATUS_IGNORE, ierr ) END SUBROUTINE pmc_recv_from_child_real_r3 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_bcast_integer( buf, root_pe, comm, ierr ) IMPLICIT NONE INTEGER, INTENT(IN) :: root_pe !< INTEGER, INTENT(INOUT) :: buf !< INTEGER, INTENT(IN), OPTIONAL :: comm !< INTEGER, INTENT(OUT), OPTIONAL :: ierr !< INTEGER :: mycomm !< INTEGER :: myerr !< IF ( PRESENT( comm ) ) THEN mycomm = comm ELSE mycomm = m_model_comm ENDIF CALL MPI_BCAST( buf, 1, MPI_INTEGER, root_pe, mycomm, myerr ) IF ( PRESENT( ierr ) ) THEN ierr = myerr ENDIF END SUBROUTINE pmc_bcast_integer !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_bcast_character( buf, root_pe, comm, ierr ) IMPLICIT NONE CHARACTER(LEN=*), INTENT(INOUT) :: buf !< INTEGER, INTENT(IN) :: root_pe !< INTEGER, INTENT(IN), OPTIONAL :: comm !< INTEGER, INTENT(OUT), OPTIONAL :: ierr !< INTEGER :: mycomm !< INTEGER :: myerr !< IF ( PRESENT( comm ) ) THEN mycomm = comm ELSE mycomm = m_model_comm ENDIF CALL MPI_BCAST( buf, LEN( buf ), MPI_CHARACTER, root_pe, mycomm, myerr ) IF ( PRESENT( ierr ) ) THEN ierr = myerr ENDIF END SUBROUTINE pmc_bcast_character !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_inter_bcast_integer_1( buf, child_id, ierr ) IMPLICIT NONE INTEGER, INTENT(IN),optional :: child_id !< INTEGER, INTENT(OUT),optional :: ierr !< INTEGER, INTENT(INOUT),DIMENSION(:) :: buf !< INTEGER :: mycomm !< INTEGER :: myerr !< INTEGER :: root_pe !< ! !-- Process 0 on parent broadcast to all child processes IF ( PRESENT( child_id ) ) THEN mycomm = m_to_child_comm(child_id) IF ( m_model_rank == 0 ) THEN root_pe = MPI_ROOT ELSE root_pe = MPI_PROC_NULL ENDIF ELSE mycomm = m_to_parent_comm root_pe = 0 ENDIF CALL MPI_BCAST( buf, SIZE( buf ), MPI_INTEGER, root_pe, mycomm, myerr ) IF ( PRESENT( ierr ) ) THEN ierr = myerr ENDIF END SUBROUTINE pmc_inter_bcast_integer_1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_alloc_mem_integer_1( iarray, idim1 ) ! !-- Allocate memory with MPI_ALLOC_MEM using intermediate C-pointer IMPLICIT NONE INTEGER, INTENT(IN) :: idim1 !< INTEGER :: ierr !< INTEGER, DIMENSION(1) :: ashape !< INTEGER, DIMENSION(:), POINTER, INTENT(INOUT) :: iarray !< INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< TYPE(C_PTR) :: p_myind !< winsize = idim1 * STORAGE_SIZE( ierr ) / 8 CALL MPI_ALLOC_MEM( winsize, MPI_INFO_NULL, p_myind, ierr ) ashape(1) = idim1 CALL C_F_POINTER( p_myind, iarray, ashape ) END SUBROUTINE pmc_alloc_mem_integer_1 !--------------------------------------------------------------------------------------------------! ! Description: ! ------------ ! !> @Todo: Missing subroutine description. !--------------------------------------------------------------------------------------------------! SUBROUTINE pmc_alloc_mem_real_1( array, idim1, base_ptr ) IMPLICIT NONE INTEGER(idp), INTENT(IN) :: idim1 !< INTEGER :: ierr !< INTEGER, DIMENSION(1) :: ashape !< INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< REAL(KIND=wp), DIMENSION(:), POINTER, INTENT(INOUT) :: array !< TYPE(C_PTR) :: p_myind !< TYPE(C_PTR), INTENT(OUT), OPTIONAL :: base_ptr !< winsize = idim1 * wp CALL MPI_ALLOC_MEM( winsize , MPI_INFO_NULL, p_myind, ierr ) ashape(1) = idim1 CALL C_F_POINTER( p_myind, array, ashape ) IF ( PRESENT( base_ptr ) ) THEN base_ptr = p_myind ENDIF END SUBROUTINE pmc_alloc_mem_Real_1 FUNCTION pmc_time() REAL(KIND=wp) :: pmc_time !< pmc_time = MPI_WTIME() END FUNCTION pmc_time #endif END MODULE pmc_mpi_wrapper